Before NASA can decide a rocket launch date for Artemis 2, the giant SLS rocket has to ace a critical fueling test known as a ...

NASA and Northrop Grumman had delayed the arrival of a Cygnus XL spacecraft to the orbital outpost after an issue with its main engine was detected. Flight engineers were able to determine that it ...

Humanity is entering one of the most active eras of space missions ever recorded. From deep-space probes studying ancient cosmic history to robotic explorers targeting moons, asteroids, and Mars, 2025 ...

Former astronauts raise concerns about Artemis II heat shield ...

Just like your cellphone stays connected by roaming between networks, NASA's Polylingual Experimental Terminal, or PExT, technology demonstration is proving space missions can do the same by switching ...